Navigation device



FIG. 1 is a front perspective view of a navigation device according to the present invention;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a rear elevational view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a right side elevational view thereof;

FIG. 9 is a front perspective view thereof, with an antenna portion extended, those portions shown in dashed lines for illustrative purposes only and forming no part of the claimed design; and,

FIG. 10 is a rear perspective view thereof, with the antenna portion extended, those portions shown in dashed lines for illustrative purposes only and forming no part of the claimed design.

The broken line showing of a portion of the navigational device is inculded for the purpose of illustrating broken lines and forms no part of the claimed design. 

The ornamental design for a navigation device, as shown and described. 